Mathlib Map

Theorems · Definition · category theory

CategoryTheory.Functor.LeftExtension.precomp

{C : Type u_1} →
  {C' : Type u_2} →
    {H : Type u_3} →
      {D : Type u_4} →
        [inst : CategoryTheory.Category.{v_1, u_1} C] →
          [inst_1 : CategoryTheory.Category.{v_2, u_2} C'] →
            [inst_2 : CategoryTheory.Category.{v_3, u_3} H] →
              [inst_3 : CategoryTheory.Category.{v_4, u_4} D] →
                (L : CategoryTheory.Functor C D) →
                  (F : CategoryTheory.Functor C H) →
                    (G : CategoryTheory.Functor C' C) →
                      CategoryTheory.Functor (L.LeftExtension F) ((G.comp L).LeftExtension (G.comp F))

The functor LeftExtension L F ⥤ LeftExtension (G ⋙ L) (G ⋙ F) obtained by precomposition.

Defined in
Mathlib.CategoryTheory.Functor.KanExtension.Basic
Cited by
9 results in Mathlib
Foundations
Depth 28 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.CategoryCategoryTheory.CategoryCategoryTheory.Category

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

CategoryTheory.Functor.LeftExtension.precomp₂ · cited by 6LeftExtension.precomp₂CategoryTheory.Functor.LeftExtension.precomp_obj_hom_app · cited by 2LeftExtension.precomp_obj…CategoryTheory.Functor.LeftExtension.isUniversalPrecompEquiv · cited by 1LeftExtension.isUniversal…CategoryTheory.Functor.LeftExtension.precomp₂_obj_hom_app · cited by 1LeftExtension.precomp₂_ob…CategoryTheory.Functor.isLeftKanExtension_iff_precomp · cited by 0Functor.isLeftKanExtensio…CategoryTheory.Functor.LeftExtension.precomp₂_map_right · cited by 0LeftExtension.precomp₂_ma…CategoryTheory.Functor.LeftExtension.precomp_map_left · cited by 0LeftExtension.precomp_map…CategoryTheory.Functor.LeftExtension.precomp_map_right · cited by 0LeftExtension.precomp_map…CategoryTheory.Functor.LeftExtension.precomp_obj_left · cited by 0LeftExtension.precomp_obj…CategoryTheory.Functor.LeftExtension.precomp_obj_right · cited by 0LeftExtension.precomp_obj…CategoryTheory.Functor.LeftExtension.precomp₂_map_left · cited by 0LeftExtension.precomp₂_ma…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryCategoryTheory.Functor.obj · cited by 19642Functor.objCategoryTheory.Functor · cited by 16252CategoryTheory.FunctorCategoryTheory.Functor.comp · cited by 6529Functor.compCategoryTheory.CategoryStruct.id · cited by 6235CategoryStruct.idCategoryTheory.Functor.whiskeringLeft · cited by 395Functor.whiskeringLeftCategoryTheory.Functor.LeftExtension · cited by 67Functor.LeftExtensionCategoryTheory.StructuredArrow.map₂ · cited by 32StructuredArrow.map₂LeftExtension.precompCITED BYCITES

Cites8

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by11

Results whose statement or proof uses this declaration.